Finding the Fourth Proportional to 6,138,863.15, 9,206,723.49 and 1,819,903.41
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Solution
The fourth proportional to 6,138,863.15, 9,206,723.49 and 1,819,903.41 is: 2,729,389.32
Step by Step Solution
- Step 1: Write the proportion equation
6,138,863.15 : 9,206,723.49 = 1,819,903.41 : x - Step 2: Convert to fraction form
6,138,863.15/9,206,723.49 = 1,819,903.41/x - Step 3: Cross multiply
6,138,863.15x = 9,206,723.49 × 1,819,903.41 - Step 4: Simplify right side
6,138,863.15x = 16,755,347,474,378.10 - Step 5: Solve for x
x = 16,755,347,474,378.10/6,138,863.15 - Step 6: Final answer
x = 2,729,389.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.